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.net - .NET中小数，浮点数和双精度之间的区别？(Difference between decimal, float and double in .NET?)
    What is the difference between decimal , float and double in .NET? (.NET中的decimal ， float和double float什么区别？) When would someone use ... ? (有人什么时候会使用其中之一？) ask by translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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c# - 计时器在C＃Visual Studio 2019中疯了吗？(Has timer gone beserk in C# Visual Studio 2019?)
    To keep it simple. (为了简单起见 ) In VS2019 I have created 1 form (frm1) with dimensions 500x500 and a button. (在VS2019中， ... ideas?? (有任何想法吗？？) ask by Dimitris Platis translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - 在Python中创建单例(Creating a singleton in Python)
    This question is not for the discussion of whether or not the singleton design pattern is desirable, is an anti-pattern, ... 复杂) Cons (缺点) ask by theheadofabroom translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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826 views
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batch-file - 如何在批处理/ cmd中“注释掉”（添加注释）？(How to “comment-out” (add comment) in a batch/cmd?)
    I have a batch file that runs several python scripts that do table modifications. (我有一个批处理文件，它运行几个进行表修改的python脚本 ) I ... ? (是否有更适当添加评论的语法？) ask by user1397044 translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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283 views
1 answer
windows - 为Postgres工具设置Windows PATH(Setting Windows PATH for Postgres tools)
    I cannot access PostgreSQL through the command line in Windows. (我无法通过Windows中的命令行访问PostgreSQL ) Although I am ... privileges: all categories "check" ask by umezo translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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440 views
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javascript - 如何检查jQuery中是否已选中复选框？(How to check whether a checkbox is checked in jQuery?)
    I need to check the checked property of a checkbox and perform an action based on the checked property using jQuery. (我需 ... 成功查询checked属性？) ask by community wiki translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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java - 如何给每个云一个单独的x位置，以便我可以以此为基础绘制它(How to give each cloud an individual x position so that I could draw it based on that)
    So basically I have a scenery project where I created a list of "clouds" based on the constructor in my Cloud class. (因此 ... 70, 58); } } ask by David Sinelnikov translate from so...
asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - Get base unit of a custom dimension
    Say I define a new dimension and define new units along that dimension. In this example, I use currencies and made-up ... raises: # KeyError: <UnitsContainer({'[currency]': 1})>...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - "ImportError: DLL load failed while importing pdftotext: The specified module could not be found."
    I got ImportError when importing pdftotext in studio code but not in anaconda I also have the wheel files of pdftotext ... *pdftotext*: The specified module could not be found....
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - Stripe IntegrationError: stripe.redirectToCheckout: You must provide one of lineItems, items, or sessionId
    I've got a Django website and I'm trying to integrate Stripe using Django the Stripe API on the backend and Vue.js on ... error that I'm getting and would be grateful for any help!...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Breaking up multiple google form entries in R
    I have a csv file with results from an online Google Form that I am using to create graphs in R. There ... medication, Started new medication, New diagnosis 1/7 New diagnosis...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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When to use string interpolation in React Native?
    I know HOW to use string interpolation, but not sure when to use it. I have been teaching myself React Native lately, and ... does <Button title={`Hello my name is ${myName}`}/>...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Yang model mandatory node only when condition is true
    I have an XML file: <a> <b>true</b> <c>foo</c> </a> and a Yang model: container a { leaf b { type boolean; } ... c' is mandatory when 'b' is 'true' and optional when 'b' is false?...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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javascript - Preview an image before it is uploaded
    I want to be able to preview a file (image) before it is uploaded. The preview action should be executed all in the ... without using Ajax to upload the image. How can I do this?...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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java - Checking if access token isnt expired
    I have application which gives access token after authentication and I want to check if token is not expired @JsonProperty( ... Auth.AuthInfo["notExpired"]) How can I fix this?...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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recursion - QuickSort implementation in C seems to skip some runs randomly
    i was in the process on implementing a QuickSort in C as an exercise. I think I'm in a pretty good spot by I' ... -5825 2647 28375 -64 -28518 28520 26474 5500 28653 21552 6828...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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xcode - TabView is all yellow in "preview"
    I added TabView to my application and it was yellow for some reason in simulator & in preview mode. I found a workaround ... preview canvas. Any ideas? Xcode: Version 12.3 (12C33)...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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286 views
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mysql - SQL: How to merge two complex queries into one, where the second one needs data from the first one
    The goal is to load a list of chats where the user sending the request is a member in. Some of the chats are ... "Chats": Table "Chat_Users": Table "Chat_Messages": Table "Users":...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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html - How trigger events on elements created afterwards other events in Javascript?
    I have replicated windows calculator. I am stuck with the "memory tab". I need to create click events on the ... regardless wheteher console.log is inside or outside the function....
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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msbuild - How to reference or copy output of other C# project with a newer framework?
    Scenario: Loader.csproj, which is .NET 4.8; and outputs a .exe with some .dll dependencies LoaderWrapper.csproj ... also would end up in Main.csproj through the projectreferences....
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - Tensorflow get raw buffer
    In numpy you can get the raw buffer of an array using numpy.ndarray.tobytes(). How can I get an equivalent bytestring ... tf.Tensor without having to convert it to a numpy array?...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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installation - Is this the correct way of distributing Ansible on Ubuntu 20.04?
    I am building an Ansible server using Ubuntu Server 20.04 64bit and Ansible 2.8.13. Among other things ansible ... decent approach in 2021 or is there something better? Thanks,...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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c# - Compiling SharpDX : xaudio2.h(65,68): Process error CX0001: cannot call operator __uuidof on a type with no GUID
    i try to compile the old SharpDX library using windows 10 64 but, visual studio 2019 but when I'm loading SharpDX. ... errors. 1>Done building project "SharpDX.csproj" -- FAILED....
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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572 views
1 answer
googletest - Changing Visual Studio Test discovery working directory
    I have a big project with hundreds of existing GTest tests, some of them require a specific working directory ... way to change the Visual Studio test discovery working directory?...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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502 views
1 answer
html - Overlapping card with card masonry
    i have a problem with masonry cards. As in my example picture, very often the cards overlap like this. I use Tabler Here is the ... card-sm"> .......... https://ibb.co/P9mhyr8...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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562 views
1 answer
docker - ddev on ZFS: Service 'db' failed to build : failed to copy files: copy file range failed: invalid argument
    Service 'db' failed to build : failed to copy files: copy file range failed: invalid argument Happens with any new project ... Registries: 127.0.0.0/8 Live Restore Enabled: false...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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270 views
1 answer
jQuery slideDown only section that has been clicked
    I am using jQuery to reveal some content on click like this... $(document).ready(function () { $('.extraClick').click( ... class="extra"> This is some extra content </div> </div>...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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293 views
1 answer
model - How do I do an interaction term with the same variable in R
    I am trying to interact the same variable (baseharm) in my regression but I am not seeing the result of the interaction ... YEAR, data = subset(larceny, distress_all <= 3)) harm13...
asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)
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